2CY series Gear pump is mainly to carry the lubricator in various lubricating system of mechanical equipments&comma; also it's suitable to carry the oils with the lube feature and their viscosity should below 300cst and the temperature should less than 300 degree centigrade&comma; furthermore&comma; the gear pump in stainless steel can transport the edible oils&comma; beverages and so on&period; The pump hasn't valve itself&period; Shaft seal has skeleton oil seal&comma; mechanical seal and stuffing seal&period;